From: Sukadev Bhattiprolu sukadev@linux.ibm.com

stable inclusion from stable-v4.19.233 commit 786576c03b313a9ff6585458aa0dfd039d897f51 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/IALPUM CVE: CVE-2022-48905

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...

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commit 8d0657f39f487d904fca713e0bc39c2707382553 upstream.

Fix a tiny memory leak when flushing the reset work queue.

Fixes: 2770a7984db5 ("ibmvnic: Introduce hard reset recovery") Signed-off-by: Sukadev Bhattiprolu sukadev@linux.ibm.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Dong Chenchen dongchenchen2@huawei.com --- drivers/net/ethernet/ibm/ibmvnic.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 8a1916443235..1e9193b8ad94 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -2081,8 +2081,10 @@ static int ibmvnic_reset(struct ibmvnic_adapter *adapter, * flush reset queue and process this reset */ if (adapter->force_reset_recovery && !list_empty(&adapter->rwi_list)) { - list_for_each_safe(entry, tmp_entry, &adapter->rwi_list) + list_for_each_safe(entry, tmp_entry, &adapter->rwi_list) { list_del(entry); + kfree(list_entry(entry, struct ibmvnic_rwi, list)); + } } rwi->reset_reason = reason; list_add_tail(&rwi->list, &adapter->rwi_list);